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Metla » Research » Research programmes » NFI » Forest resources

National Forest Inventory (NFI)

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Forest Resources


Recent Inventories

According to the latest surveys, the growing stock of Finnish forests is 2 305 million cubic metres and the annual increment of growing stock 104.0 million cubic metres. Half of the stock consists of Scots pine, less than one third of Norway spruce, 12% of common white birch, 4% of silver birch, and the remainder of other deciduous and coniferous tree species.

This information is based on the field measurements over the first three years (2009–2011) of the 11th National Forest Inventory. The first regional results were also calculated from this data. Forest statistics of the regional Forestry Centres are available in Metinfo forest information services (only in Finnish).

More information about the latest results can be found in the press releases.

Summary of the land areas and the volume and increment of growing stock on forest and scrub land in the three most recent NFIs:

  NFI11 (2009-2011) Change NFI10 (2004-2008) NFI9 (1996-2003)
         
Land area 30.414 mill. ha 0 % 30.415 mill. ha 30.447 mill. ha
- forestry land 26.172 mill. ha 0 % 26.263 mill. ha 26.317 mill. ha
- forest and scrub land 22.777 mill. ha 0 % 22.820 mill. ha 23.008 mill. ha
         
Volume of growing stock 2 305 mill. m3 +5 % 2 206 mill. m3 2 091 mill. m3
- Scots pine 1 145 mill. m3 +4 % 1 098 mill. m3 1 000 mill. m3
- Norway spruce 698 mill. m3 +4 % 669 mill. m3 695 mill. m3
- birch 384 mill. m3 +5 % 365 mill. m3 325 mill. m3
- other deciduous 78 mill. m3 +7 % 73 mill. m3 72 mill. m3
         
Annual increment 104.0 mill. m3 +5 % 99.5 mill. m3 86.7 mill. m3
- Scots pine 47.4 mill. m3 +0 % 47.4 mill. m3 39.49 mill. m3
- Norway spruce 32.5 mill. m3 +9 % 29.8 mill. m3 27.3 mill. m3
- birch 19.6 mill. m3 +7 % 18.3 mill. m3 15.5 mill. m3
- other deciduous 4.5 mill. m3 +11 % 4.1 mill. m3 4.4 mill. m3
- average per hectare 4.6 m3/ha   4.4 m3/ha 3.8 m3/ha


Development of forest resources

During already 80 years, NFIs have produced unique time series of the development of forest resources. Since 1920's, NFIs have produced information on, e.g., area of forests, area of forest age classes and forest types, volume and increment of growing stock. This page and the links in the left menu show some examples of time series produced from the NFIs. More detailed results can be found in the NFI forest resource reports and in the Finnish Statistical Yearbook of Forestry.


Volume of growing stock by tree species groups in 1922–2011.


Annual increment in different inventories and drain in Finland in 1921–2011.

Updated: 18.06.2012 /JPit  |  Photo: Erkki Oksanen, Metla, unless otherwise stated  |  Copyright Metla  |  Feedback